From fa7ccc934e0de9827f932b442bc059d4e4c670d9 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Wed, 23 Sep 2026 22:52:00 +0100
Subject: [PATCH] [pulse_meter] Use register_apply_action for
 pulse_meter.set_total_pulses (#19533)

---
 esphome/components/pulse_meter/automation.h | 21 ---------------------
 esphome/components/pulse_meter/sensor.py    | 21 +++------------------
 tests/components/pulse_meter/common.yaml    |  3 +++
 3 files changed, 6 insertions(+), 39 deletions(-)
 delete mode 100644 esphome/components/pulse_meter/automation.h

diff --git a/esphome/components/pulse_meter/automation.h b/esphome/components/pulse_meter/automation.h
deleted file mode 100644
index 885922a22a..0000000000
--- a/esphome/components/pulse_meter/automation.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#pragma once
-
-#include "esphome/core/component.h"
-#include "esphome/core/automation.h"
-#include "esphome/components/pulse_meter/pulse_meter_sensor.h"
-
-namespace esphome::pulse_meter {
-
-template<typename... Ts> class SetTotalPulsesAction final : public Action<Ts...> {
- public:
-  SetTotalPulsesAction(PulseMeterSensor *pulse_meter) : pulse_meter_(pulse_meter) {}
-
-  TEMPLATABLE_VALUE(uint32_t, total_pulses)
-
-  void play(const Ts &...x) override { this->pulse_meter_->set_total_pulses(this->total_pulses_.value(x...)); }
-
- protected:
-  PulseMeterSensor *pulse_meter_;
-};
-
-}  // namespace esphome::pulse_meter
diff --git a/esphome/components/pulse_meter/sensor.py b/esphome/components/pulse_meter/sensor.py
index 9bda891efc..2df1ba96e9 100644
--- a/esphome/components/pulse_meter/sensor.py
+++ b/esphome/components/pulse_meter/sensor.py
@@ -19,8 +19,7 @@ from esphome.const import (
     UNIT_PULSES,
     UNIT_PULSES_PER_MINUTE,
 )
-from esphome.core import CORE, ID, TimePeriodMicroseconds
-from esphome.cpp_generator import MockObj, TemplateArgsType
+from esphome.core import CORE, TimePeriodMicroseconds
 from esphome.types import ConfigType
 
 CODEOWNERS = ["@stevebaxter", "@cstaahl", "@TrentHouliston"]
@@ -38,8 +37,6 @@ FILTER_MODES = {
     "PULSE": PulseMeterInternalFilterMode.FILTER_PULSE,
 }
 
-SetTotalPulsesAction = pulse_meter_ns.class_("SetTotalPulsesAction", automation.Action)
-
 
 def validate_internal_filter(value: Any) -> TimePeriodMicroseconds:
     return cv.positive_time_period_microseconds(value)
@@ -100,25 +97,13 @@ async def to_code(config: ConfigType) -> None:
         cg.add(var.set_total_sensor(sens))
 
 
-@automation.register_action(
+automation.register_apply_action(
     "pulse_meter.set_total_pulses",
-    SetTotalPulsesAction,
     cv.Schema(
         {
             cv.Required(CONF_ID): cv.use_id(PulseMeterSensor),
             cv.Required(CONF_VALUE): cv.templatable(cv.uint32_t),
         }
     ),
-    synchronous=True,
+    automation.ApplyField(CONF_VALUE, "set_total_pulses", cg.uint32),
 )
-async def set_total_action_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
-    paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    template_ = await cg.templatable(config[CONF_VALUE], args, cg.uint32)
-    cg.add(var.set_total_pulses(template_))
-    return var
diff --git a/tests/components/pulse_meter/common.yaml b/tests/components/pulse_meter/common.yaml
index a83ec478bb..8721f2e375 100644
--- a/tests/components/pulse_meter/common.yaml
+++ b/tests/components/pulse_meter/common.yaml
@@ -9,5 +9,8 @@ sensor:
       - pulse_meter.set_total_pulses:
           id: pulse_meter_sensor
           value: 12345
+      - pulse_meter.set_total_pulses:
+          id: pulse_meter_sensor
+          value: !lambda return (uint32_t) x;
     total:
       name: Pulse Meter Total